Showing 731 of 1,982 total issues

Similar blocks of code found in 2 locations. Consider refactoring.
Open

          } else if (!boolsLen && !strsLen && numsLen >= defaultedLen) {
            for (const member of members.defaultedMembers) {
              this.flowEnumErrorNumberMemberNotInitialized(member.start, {
                enumName,
                memberName: member.id.name,
Severity: Major
Found in packages/babel-parser/src/plugins/flow.js and 1 other location - About 3 hrs to fix
packages/babel-parser/src/plugins/flow.js on lines 3420..3443

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 98.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Similar blocks of code found in 2 locations. Consider refactoring.
Open

export function makeStrongCacheSync<ArgT, ResultT, SideChannel>(
  handler: (ArgT, CacheConfigurator<SideChannel>) => ResultT,
): (ArgT, SideChannel) => ResultT {
  return synchronize<[ArgT, SideChannel], ResultT>(
    makeStrongCache<ArgT, ResultT, SideChannel>(handler),
Severity: Major
Found in packages/babel-core/src/config/caching.js and 1 other location - About 3 hrs to fix
packages/babel-core/src/config/caching.js on lines 52..58

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 97.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Similar blocks of code found in 2 locations. Consider refactoring.
Open

export function getAllPrevSiblings(): NodePath[] {
  let _key = this.key;
  let sibling = this.getSibling(--_key);
  const siblings = [];
  while (sibling.node) {
Severity: Major
Found in packages/babel-traverse/src/path/family.js and 1 other location - About 3 hrs to fix
packages/babel-traverse/src/path/family.js on lines 120..129

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 97.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Similar blocks of code found in 2 locations. Consider refactoring.
Open

export function makeWeakCacheSync<ArgT, ResultT, SideChannel>(
  handler: (ArgT, CacheConfigurator<SideChannel>) => ResultT,
): (ArgT, SideChannel) => ResultT {
  return synchronize<[ArgT, SideChannel], ResultT>(
    makeWeakCache<ArgT, ResultT, SideChannel>(handler),
Severity: Major
Found in packages/babel-core/src/config/caching.js and 1 other location - About 3 hrs to fix
packages/babel-core/src/config/caching.js on lines 66..72

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 97.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Similar blocks of code found in 2 locations. Consider refactoring.
Open

export function getAllNextSiblings(): NodePath[] {
  let _key = this.key;
  let sibling = this.getSibling(++_key);
  const siblings = [];
  while (sibling.node) {
Severity: Major
Found in packages/babel-traverse/src/path/family.js and 1 other location - About 3 hrs to fix
packages/babel-traverse/src/path/family.js on lines 131..140

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 97.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Similar blocks of code found in 2 locations. Consider refactoring.
Open

    for (const [plugin, pass] of passPairs) {
      const fn = plugin.pre;
      if (fn) {
        const result = fn.call(pass, file);

Severity: Major
Found in packages/babel-core/src/transformation/index.js and 1 other location - About 2 hrs to fix
packages/babel-core/src/transformation/index.js on lines 114..129

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 94.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Similar blocks of code found in 2 locations. Consider refactoring.
Open

    for (const [plugin, pass] of passPairs) {
      const fn = plugin.post;
      if (fn) {
        const result = fn.call(pass, file);

Severity: Major
Found in packages/babel-core/src/transformation/index.js and 1 other location - About 2 hrs to fix
packages/babel-core/src/transformation/index.js on lines 89..104

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 94.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Similar blocks of code found in 238 locations. Consider refactoring.
Open

export function isAssignmentExpression(node: ?Object, opts?: Object): boolean {
  if (!node) return false;

  const nodeType = node.type;
  if (nodeType === "AssignmentExpression") {
Severity: Major
Found in packages/babel-types/src/validators/generated/index.js and 237 other locations - About 2 hrs to fix
packages/babel-types/src/validators/generated/index.js on lines 8..21
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packages/babel-types/src/validators/generated/index.js on lines 3291..3304
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packages/babel-types/src/validators/generated/index.js on lines 3367..3380
packages/babel-types/src/validators/generated/index.js on lines 3381..3397
packages/babel-types/src/validators/generated/index.js on lines 3398..3411
packages/babel-types/src/validators/generated/index.js on lines 3412..3428
packages/babel-types/src/validators/generated/index.js on lines 3429..3445
packages/babel-types/src/validators/generated/index.js on lines 3446..3459

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 93.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Similar blocks of code found in 238 locations. Consider refactoring.
Open

export function isDirective(node: ?Object, opts?: Object): boolean {
  if (!node) return false;

  const nodeType = node.type;
  if (nodeType === "Directive") {
Severity: Major
Found in packages/babel-types/src/validators/generated/index.js and 237 other locations - About 2 hrs to fix
packages/babel-types/src/validators/generated/index.js on lines 8..21
packages/babel-types/src/validators/generated/index.js on lines 22..35
packages/babel-types/src/validators/generated/index.js on lines 36..49
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packages/babel-types/src/validators/generated/index.js on lines 386..399
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packages/babel-types/src/validators/generated/index.js on lines 3398..3411
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packages/babel-types/src/validators/generated/index.js on lines 3429..3445
packages/babel-types/src/validators/generated/index.js on lines 3446..3459

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 93.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Similar blocks of code found in 238 locations. Consider refactoring.
Open

export function isSwitchStatement(node: ?Object, opts?: Object): boolean {
  if (!node) return false;

  const nodeType = node.type;
  if (nodeType === "SwitchStatement") {
Severity: Major
Found in packages/babel-types/src/validators/generated/index.js and 237 other locations - About 2 hrs to fix
packages/babel-types/src/validators/generated/index.js on lines 8..21
packages/babel-types/src/validators/generated/index.js on lines 22..35
packages/babel-types/src/validators/generated/index.js on lines 36..49
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packages/babel-types/src/validators/generated/index.js on lines 120..133
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packages/babel-types/src/validators/generated/index.js on lines 148..161
packages/babel-types/src/validators/generated/index.js on lines 162..175
packages/babel-types/src/validators/generated/index.js on lines 176..189
packages/babel-types/src/validators/generated/index.js on lines 190..203
packages/babel-types/src/validators/generated/index.js on lines 204..217
packages/babel-types/src/validators/generated/index.js on lines 218..231
packages/babel-types/src/validators/generated/index.js on lines 232..245
packages/babel-types/src/validators/generated/index.js on lines 246..259
packages/babel-types/src/validators/generated/index.js on lines 260..273
packages/babel-types/src/validators/generated/index.js on lines 274..287
packages/babel-types/src/validators/generated/index.js on lines 288..301
packages/babel-types/src/validators/generated/index.js on lines 302..315
packages/babel-types/src/validators/generated/index.js on lines 316..329
packages/babel-types/src/validators/generated/index.js on lines 330..343
packages/babel-types/src/validators/generated/index.js on lines 344..357
packages/babel-types/src/validators/generated/index.js on lines 358..371
packages/babel-types/src/validators/generated/index.js on lines 372..385
packages/babel-types/src/validators/generated/index.js on lines 386..399
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packages/babel-types/src/validators/generated/index.js on lines 484..497
packages/babel-types/src/validators/generated/index.js on lines 498..511
packages/babel-types/src/validators/generated/index.js on lines 512..525
packages/babel-types/src/validators/generated/index.js on lines 526..539
packages/babel-types/src/validators/generated/index.js on lines 540..553
packages/babel-types/src/validators/generated/index.js on lines 554..570
packages/babel-types/src/validators/generated/index.js on lines 571..584
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Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 93.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Similar blocks of code found in 238 locations. Consider refactoring.
Open

export function isCallExpression(node: ?Object, opts?: Object): boolean {
  if (!node) return false;

  const nodeType = node.type;
  if (nodeType === "CallExpression") {
Severity: Major
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Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 93.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Similar blocks of code found in 238 locations. Consider refactoring.
Open

export function isCatchClause(node: ?Object, opts?: Object): boolean {
  if (!node) return false;

  const nodeType = node.type;
  if (nodeType === "CatchClause") {
Severity: Major
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packages/babel-types/src/validators/generated/index.js on lines 3263..3276
packages/babel-types/src/validators/generated/index.js on lines 3277..3290
packages/babel-types/src/validators/generated/index.js on lines 3291..3304
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packages/babel-types/src/validators/generated/index.js on lines 3319..3335
packages/babel-types/src/validators/generated/index.js on lines 3336..3352
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packages/babel-types/src/validators/generated/index.js on lines 3367..3380
packages/babel-types/src/validators/generated/index.js on lines 3381..3397
packages/babel-types/src/validators/generated/index.js on lines 3398..3411
packages/babel-types/src/validators/generated/index.js on lines 3412..3428
packages/babel-types/src/validators/generated/index.js on lines 3429..3445
packages/babel-types/src/validators/generated/index.js on lines 3446..3459

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 93.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Similar blocks of code found in 238 locations. Consider refactoring.
Open

export function isRegExpLiteral(node: ?Object, opts?: Object): boolean {
  if (!node) return false;

  const nodeType = node.type;
  if (nodeType === "RegExpLiteral") {
Severity: Major
Found in packages/babel-types/src/validators/generated/index.js and 237 other locations - About 2 hrs to fix
packages/babel-types/src/validators/generated/index.js on lines 8..21
packages/babel-types/src/validators/generated/index.js on lines 22..35
packages/babel-types/src/validators/generated/index.js on lines 36..49
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packages/babel-types/src/validators/generated/index.js on lines 3367..3380
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packages/babel-types/src/validators/generated/index.js on lines 3398..3411
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packages/babel-types/src/validators/generated/index.js on lines 3429..3445
packages/babel-types/src/validators/generated/index.js on lines 3446..3459

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 93.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Similar blocks of code found in 238 locations. Consider refactoring.
Open

export function isLabeledStatement(node: ?Object, opts?: Object): boolean {
  if (!node) return false;

  const nodeType = node.type;
  if (nodeType === "LabeledStatement") {
Severity: Major
Found in packages/babel-types/src/validators/generated/index.js and 237 other locations - About 2 hrs to fix
packages/babel-types/src/validators/generated/index.js on lines 8..21
packages/babel-types/src/validators/generated/index.js on lines 22..35
packages/babel-types/src/validators/generated/index.js on lines 36..49
packages/babel-types/src/validators/generated/index.js on lines 50..63
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packages/babel-types/src/validators/generated/index.js on lines 92..105
packages/babel-types/src/validators/generated/index.js on lines 106..119
packages/babel-types/src/validators/generated/index.js on lines 120..133
packages/babel-types/src/validators/generated/index.js on lines 134..147
packages/babel-types/src/validators/generated/index.js on lines 148..161
packages/babel-types/src/validators/generated/index.js on lines 162..175
packages/babel-types/src/validators/generated/index.js on lines 176..189
packages/babel-types/src/validators/generated/index.js on lines 190..203
packages/babel-types/src/validators/generated/index.js on lines 204..217
packages/babel-types/src/validators/generated/index.js on lines 218..231
packages/babel-types/src/validators/generated/index.js on lines 232..245
packages/babel-types/src/validators/generated/index.js on lines 246..259
packages/babel-types/src/validators/generated/index.js on lines 260..273
packages/babel-types/src/validators/generated/index.js on lines 274..287
packages/babel-types/src/validators/generated/index.js on lines 288..301
packages/babel-types/src/validators/generated/index.js on lines 302..315
packages/babel-types/src/validators/generated/index.js on lines 316..329
packages/babel-types/src/validators/generated/index.js on lines 344..357
packages/babel-types/src/validators/generated/index.js on lines 358..371
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packages/babel-types/src/validators/generated/index.js on lines 386..399
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Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 93.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Similar blocks of code found in 238 locations. Consider refactoring.
Open

export function isObjectPattern(node: ?Object, opts?: Object): boolean {
  if (!node) return false;

  const nodeType = node.type;
  if (nodeType === "ObjectPattern") {
Severity: Major
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Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 93.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Similar blocks of code found in 238 locations. Consider refactoring.
Open

export function isNullLiteralTypeAnnotation(
  node: ?Object,
  opts?: Object,
): boolean {
  if (!node) return false;
Severity: Major
Found in packages/babel-types/src/validators/generated/index.js and 237 other locations - About 2 hrs to fix
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packages/babel-types/src/validators/generated/index.js on lines 3429..3445
packages/babel-types/src/validators/generated/index.js on lines 3446..3459

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 93.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Similar blocks of code found in 238 locations. Consider refactoring.
Open

export function isSequenceExpression(node: ?Object, opts?: Object): boolean {
  if (!node) return false;

  const nodeType = node.type;
  if (nodeType === "SequenceExpression") {
Severity: Major
Found in packages/babel-types/src/validators/generated/index.js and 237 other locations - About 2 hrs to fix
packages/babel-types/src/validators/generated/index.js on lines 8..21
packages/babel-types/src/validators/generated/index.js on lines 22..35
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packages/babel-types/src/validators/generated/index.js on lines 3446..3459

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 93.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Similar blocks of code found in 238 locations. Consider refactoring.
Open

export function isInterfaceExtends(node: ?Object, opts?: Object): boolean {
  if (!node) return false;

  const nodeType = node.type;
  if (nodeType === "InterfaceExtends") {
Severity: Major
Found in packages/babel-types/src/validators/generated/index.js and 237 other locations - About 2 hrs to fix
packages/babel-types/src/validators/generated/index.js on lines 8..21
packages/babel-types/src/validators/generated/index.js on lines 22..35
packages/babel-types/src/validators/generated/index.js on lines 36..49
packages/babel-types/src/validators/generated/index.js on lines 50..63
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packages/babel-types/src/validators/generated/index.js on lines 120..133
packages/babel-types/src/validators/generated/index.js on lines 134..147
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packages/babel-types/src/validators/generated/index.js on lines 190..203
packages/babel-types/src/validators/generated/index.js on lines 204..217
packages/babel-types/src/validators/generated/index.js on lines 218..231
packages/babel-types/src/validators/generated/index.js on lines 232..245
packages/babel-types/src/validators/generated/index.js on lines 246..259
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Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 93.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Similar blocks of code found in 238 locations. Consider refactoring.
Open

export function isVariableDeclarator(node: ?Object, opts?: Object): boolean {
  if (!node) return false;

  const nodeType = node.type;
  if (nodeType === "VariableDeclarator") {
Severity: Major
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Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 93.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Similar blocks of code found in 238 locations. Consider refactoring.
Open

export function isTaggedTemplateExpression(
  node: ?Object,
  opts?: Object,
): boolean {
  if (!node) return false;
Severity: Major
Found in packages/babel-types/src/validators/generated/index.js and 237 other locations - About 2 hrs to fix
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Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 93.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

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